Note 13 - Capital Stock (Tables)

6 Months Ended

Jan. 31, 2023

Notes Tables

Schedule Of Share based Compensation Warrants Activity [Table Text Block]

	Number of Warrants			Weighted Average Exercise Price
Balance, July 31, 2022		3,615,454		$	1.92
Issuance of Replacement Warrants (Note 3,12)		4,660,580			2.89
Exercised		(3,410,898	)		1.80
Expired		(27,550	)		1.80
Balance, October 31, 2022		4,837,586			2.85
Exercised		(45,000	)		1.46
Balance, January 31, 2023		4,792,586		$	2.93

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Weighted				Weighted Average
Average		Number of Warrants		Remaining Contractual		Expiry Date
Exercise Price		Outstanding		Life (Years)
$	1.75		144,194		0.30	May 20, 2023
	1.64		25,000		0.30	May 21, 2023
	1.46		766,362		0.33	June 2, 2023
	3.23		3,675,212		1.60	September 7, 2024
	4.13		181,818		3.18	April 5, 2026
$	2.93		4,792,586		1.41

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	Number of Stock Options			Weighted Average Exercise Price
Balance, July 31, 2022		8,880,527		$	1.58
Issuance of Replacement Options (Note 3)		2,301,750			1.90
Granted		5,000			4.23
Exercised		(2,331,222	)		1.61
Balance, October 31, 2022		8,856,055			1.65
Granted		15,464			3.78
Exercised		(197,110	)		2.10
Balance, January 31, 2023		8,674,409		$	1.65

Cash Proceeds Received and Tax Benefit from Share-Based Payment Awards [Table Text Block]

	Three Months Ended January 31,				Six Months Ended January 31,
	2023		2022		2023		2022
Number of Options Exercised on Cash Basis		-		57,750		138,537		402,748
Number of Options Exercised on Forfeiture Basis		197,110		187,084		2,389,795		872,629
Total Number of Options Exercised		197,110		244,834		2,528,332		1,275,377
Number of Shares Issued on Cash Exercise		-		57,750		138,537		402,748
Number of Shares Issued on Forfeiture Basis		94,302		135,595		1,360,366		544,587
Total Number of Shares Issued Upon Exercise of Options		94,302		193,345		1,498,903		947,335
Cash Received from Exercise of Stock Options	$	-	$	63	$	206	$	447
Total Intrinsic Value of Options Exercised	$	381	$	889	$	5,976	$	2,794

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

	Number of Unvested Stock Options			Weighted Average Grant-Date Fair Value
Balance, July 31, 2022		2,186,154		$	1.79
Issuance of Replacement Options (Note 3)		2,301,750			1.75
Granted		5,000			2.70
Vested		(2,467,341	)		1.79
Balance, October 31, 2022		2,025,563			1.74
Granted		15,464			2.40
Vested		(394,858	)		1.78
Balance, January 31, 2023		1,646,169		$	1.74

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

			Options Outstanding						Options Exercisable
Range of Exercise Prices			Outstanding at January 31, 2023		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)		Exercisable at January 31, 2023		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)
$0.80	to	$0.99		3,592,124	$	0.92		7.02		3,592,124	$	0.92		7.02
$1.00	to	$1.99		2,690,000		1.31		4.24		2,248,332		1.35		3.61
$2.00	to	$2.99		1,008,954		2.23		7.68		764,061		2.23		7.44
$3.00	to	$3.99		1,378,331		3.81		8.87		423,098		3.80		7.84
$4.00	to	$4.23		5,000		4.23		9.73		625		4.23		9.73
				8,674,409	$	1.65		6.53		7,028,240	$	1.37		6.02

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Grant Date	Number of Restricted Stock Units		Grant Date Fair Value		Remaining Life (Years)		Aggregate Intrinsic Value
July 16, 2020		217,498	$	0.91		0.45	$	877
July 21, 2021		271,746		2.15		1.47		1,095
May 01, 2022		58,824		4.25		2.25		237
July 29, 2022		287,966		3.98		2.49		1,161
		836,034	$	2.61		1.61	$	3,370

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

	Three Months Ended January 31,				Six Months Ended January 31,
	2023		2022		2023		2022
Stock-Based Compensation for Consultants
Common stock issued to consultants	$	127	$	201	$	275	$	506
Amortization of stock option expenses		144		57		372		137
		271		258		647		643
Stock-Based Compensation for Management
Amortization of stock option expenses		95		126		228		291
Amortization of RSU and PRSU expenses		353		262		707		524
		448		388		935		815
Stock-Based Compensation for Employees
Common stock issued to employees		240		339		487		612
Amortization of stock option expenses		454		209		1,127		505
Amortization of RSU expenses		39		-		77		-
		733		548		1,691		1,117
	$	1,452	$	1,194	$	3,273	$	2,575